NC Bench
Overview
About
Tests
Models
Model
Claude Haiku 4.5
Test
Dialogue tags
Scenario
Write 200 words with 10% dialogue
Run ID
2026-02-08-01KGYY4BJ3CGRK4J31MR9AH716
Model input
User/Human
You are a author of comedic heist books. Please write a 200 word scene that has 10% words of dialogue between two thieves named Molly and Bill who are planning to break into a children's party to steal all the presents. Only include the prose of the scene without any markdown or commentary.
Model response
Messages
Meta
AI
Molly crouched behind the inflatable bounce house, examining the floor plan she'd sketched on a napkin. The Henderson residence stretched before them like an unsecured vault filled with unwrapped merchandise and negligent parents. "So here's the thing," Bill whispered, adjusting his fake mustache. "The presents are stacked by the garage door. We go in through the kitchen, past the face painter, and—" "And what about the piñata?" Molly interrupted. "That thing's a choking hazard. We should avoid it." Bill nodded seriously, as if they were discussing actual security measures rather than a birthday party for seven-year-olds. They'd stolen from museums, banks, and art galleries. Somehow this felt more chaotic. A child's scream echoed from inside. Not a frightened scream, just a regular birthday party scream. They watched as Mrs. Henderson emerged with juice boxes, completely oblivious to the criminal masterminds hiding in her bushes. "The window latch is broken," Molly observed, pointing with professional precision. "Perfect. We go in fast, grab the boxes, exit through the side fence. Easy." Bill checked his watch. Molly rolled her eyes. Nothing about stealing from children's parties was easy. But the Tickle-Me-Elmo collection alone was worth fifty grand on the black market.
created_at
"2026-02-08T15:32:44.128864+00:00"
Sunday, February 8th, 2026 at 3:32:44 PM GMT+00:00
model
"anthropic/claude-4.5-haiku-20251001"
app_id
182717
external_user
(null)
streamed
true
cancelled
false
latency
536
moderation_latency
(null)
generation_time
4130
tokens_prompt
61
tokens_completion
263
native_tokens_prompt
75
native_tokens_completion
312
native_tokens_completion_images
(null)
native_tokens_reasoning
0
native_tokens_cached
0
num_media_prompt
(null)
num_input_audio_prompt
(null)
num_media_completion
0
num_search_results
(null)
origin
"https://ncbench.com/"
is_byok
false
finish_reason
"stop"
native_finish_reason
"stop"
usage
0.001635
router
(null)
provider_responses
0
id
"msg_01TgaAusmZv9vbHqMA7vsmus"
status
200
is_byok
false
latency
508
endpoint_id
"41d2915a-92e6-4993-b537-210b4e10cba8"
provider_name
"Anthropic"
model_permaslug
"anthropic/claude-4.5-haiku-20251001"
api_type
"completions"
id
"gen-1770564759-2SGOD8PUAHXiHpwFiFkk"
upstream_id
"msg_01TgaAusmZv9vbHqMA7vsmus"
total_cost
0.001635
cache_discount
(null)
upstream_inference_cost
0
provider_name
"Anthropic"
Evaluation details
Result
Evaluator
Details
Meta Data
99.9840%
Matches word count
n/a
neededClean
false
words
202
0.0052%
Dialogue to Total Word Ratio
Ratio: 27.72%, Deviation: 17.72%
neededClean
false
wordsTotal
202
wordsDialogue
56
49.9946%